The Update structure table command updates the TREETABLE.
The TREETABLE is used for the red-green display in the directory tree.
An erroneous "TREETABLE" is made noticeable through a red-green display.
Project with ERP_PDM_NUMBER are shown in black in the PSOL Project column and to the left in the tree the directory must be green in this case.

![[Note]](https://webapi.partcommunity.com/service/help/latest/pages/fr/partwarehouse/doc/images/note.png)

